Dr. Roig is professor in risk sciences. He is head of the CHROME laboratory (EA7352) dealing with the characterisation and management of chronic and emerging risks. He was involved in numerous project focussed on the impact of contaminated environment on human population. He was the Scientific Coordinator of the EU funded PHARMAS Project, which assesses the risks to wild animals and humans posed by environmental exposure to pharmaceuticals. He has published numerous articles on risk related to environmental waters. Currently member of the Occitanie regionnal expert panel for small and high water cycle. Previously member to the scientific board of the research program for environment and health of ANSES as well as member of European external Expert panels for endocrine disrupting chemicals .